| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.hadoop.hdfs; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.IOException; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hdfs.client.HdfsAdmin; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class TestHdfsAdmin { |
| |
| private static final Path TEST_PATH = new Path("/test"); |
| private Configuration conf = new Configuration(); |
| private MiniDFSCluster cluster; |
| |
| @Before |
| public void setUpCluster() throws IOException { |
| cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0).build(); |
| } |
| |
| @After |
| public void shutDownCluster() { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| |
| /** |
| * Test that we can set and clear quotas via {@link HdfsAdmin}. |
| */ |
| @Test |
| public void testHdfsAdminSetQuota() throws Exception { |
| HdfsAdmin dfsAdmin = new HdfsAdmin( |
| FileSystem.getDefaultUri(conf), conf); |
| FileSystem fs = null; |
| try { |
| fs = FileSystem.get(conf); |
| assertTrue(fs.mkdirs(TEST_PATH)); |
| assertEquals(-1, fs.getContentSummary(TEST_PATH).getQuota()); |
| assertEquals(-1, fs.getContentSummary(TEST_PATH).getSpaceQuota()); |
| |
| dfsAdmin.setSpaceQuota(TEST_PATH, 10); |
| assertEquals(-1, fs.getContentSummary(TEST_PATH).getQuota()); |
| assertEquals(10, fs.getContentSummary(TEST_PATH).getSpaceQuota()); |
| |
| dfsAdmin.setQuota(TEST_PATH, 10); |
| assertEquals(10, fs.getContentSummary(TEST_PATH).getQuota()); |
| assertEquals(10, fs.getContentSummary(TEST_PATH).getSpaceQuota()); |
| |
| dfsAdmin.clearSpaceQuota(TEST_PATH); |
| assertEquals(10, fs.getContentSummary(TEST_PATH).getQuota()); |
| assertEquals(-1, fs.getContentSummary(TEST_PATH).getSpaceQuota()); |
| |
| dfsAdmin.clearQuota(TEST_PATH); |
| assertEquals(-1, fs.getContentSummary(TEST_PATH).getQuota()); |
| assertEquals(-1, fs.getContentSummary(TEST_PATH).getSpaceQuota()); |
| } finally { |
| if (fs != null) { |
| fs.close(); |
| } |
| } |
| } |
| |
| /** |
| * Make sure that a non-HDFS URI throws a helpful error. |
| */ |
| @Test(expected = IllegalArgumentException.class) |
| public void testHdfsAdminWithBadUri() throws IOException, URISyntaxException { |
| new HdfsAdmin(new URI("file:///bad-scheme"), conf); |
| } |
| } |